YASKAWA DX100 Maintenance Manual page 542

Alarm Alarm Name Sub
Number Code
4363 BASE BLOCK
SIGNAL
ERROR(SERVO)
4364 GUN SOFTLIMIT
Meaning Cause
Connection failure
EAXA board failure
Software operation
error occurred
Sub Code: Signifies the axis in Setting error
which the alarm occurred
Remedy
(1)Reset the alarm.(In case of major alarm, turn the power OFF then back
ON.)
(2)If the alarm occurs again, check the connection and inserting state of the
following cables and connectors.
·EAXA-CN501 to 506,CN510
·EAXB-CN531,532,533
·Amplifier-CN581,582
·Converter-CN551,552A,552B
(1)Reset the alarm.(In case of major alarm, turn the power OFF then back
ON.)
(2)If the alarm occurs again, replace the EAXA board. Save the CMOS.BIN
before replacing the board to be safe.
(1)Reset the alarm.(In case of major alarm, turn the power OFF then back
ON.)
(2)If the alarm occurs again, save the CMOS.BIN in maintenance mode, and
then contact your Yaskawa representative about occurrence status
(operating procedure).
Check the following settings.
·Home position of gun axis
[Released side]
Reset the software limit of released side gun.
(Parameter S1CxG200 or 208)
[Closed side]
Reset the software limit at the gun closed side.
Add the moving amount of electrode wear.
(Parameter S1CxG200 or 208)